/Engine/Plugins/Runtime/NetworkPredictionExtras/Source/NetworkPredictionExtras/Public/MockRootMotionSimulation.h
This just defines the state types that the simulation uses.
typedef [TNetworkPredictionStateTypes](API\Plugins\NetworkPrediction\TNetworkPredictionStateTypes)< [FMockRootMotionInputCmd](API\Plugins\NetworkPredictionExtras\FMockRootMotionInputCmd), [FMockRootMotionSyncState](API\Plugins\NetworkPredictionExtras\FMockRootMotionSyncState), [FMockRootMotionAuxState](API\Plugins\NetworkPredictionExtras\FMockRootMotionAuxState) > MockRootMotionStateTypes